镍基粉末高温合金FGH95涡轮盘材料研究  

Study on a Nickel Base Superalloy FGH95 of Turbine Disc

作　　者：胡本芙[1] 章守华[1] 

机构地区：[1]北京科技大学

出　　处：《金属热处理学报》1997年第3期28-36,共9页

摘　　要：讨论了ＦＧＨ９５氩气雾化粉末高温合金中缺陷、粉末颗粒凝固组织及其相组成、粉末经过热等静压后显微组织与相组成、热等静压坯再经包套模锻后合金的组织与低周疲劳性能、以及热等静压坯再经挤压后合金组织的改善和热处理制度的改进。The following topics are discussed:the solidification structure and phase constituents in argon atomized powder particles, the defects of P/M superalloy, the microstructures and phase coustituents of the alloy after hot isostatic pressing (HIP), the microstructures and low cycle fatigue properties of the alloy after HIP+forging, the improvement of microstructure in the HIPed blank with hot extrusion and the overall enhancement of high temperature tensile, stress rupture and low cycle fatigue properties with a modified final heat treatment.

关 键 词：镍基 高温合金 粉末冶金 涡轮盘 热等静压 

分 类 号：TG146.15[一般工业技术—材料科学与工程] TF125.3[金属学及工艺—金属材料]